Commonwealth of Independent States vs Moldova

Commonwealth of Independent States and Moldova both are nouns.

Word	Noun	Adjective	Verb	Adverb
Commonwealth of Independent States	Yes	No	No	No
Moldova	Yes	No	No	No

Commonwealth of Independent States (noun)	Moldova (noun)
an alliance made up of states that had been Soviet Socialist Republics in the Soviet Union prior to its dissolution in Dec 1991	a landlocked republic in eastern Europe; formerly a European soviet but achieved independence in 1991